Certificate No:
MEDB00004SX
Revision No:
1

Application of: Directive 2014/90/EU of 23 July 2014 on marine equipment (MED). This Certificate isissued by DNV GL SE based on the notification of the Federal Maritime and Hydrographic Agency ofGermany.

This is to certify:
That the Portable Oxygen analysis and gas detection equipmentwith type designation(s)Portable gas analyser RX-8500 & RX-8700
Issued toRIKEN KEIKI Co., Ltd.
Itabashi-ku, Tokyo, Japanis found to comply with the requirements in the following Regulations/Standards:
Regulation (EU) 2020/1170,
item No. MED/3.30. SOLAS 74, Regulation II-2/4, VI/3, XI-1/7, FSS Code 15 andMSC.1/Circ.1477, IMO MSC.1/Circ.1581.

Further details of the equipment and conditions for certification are given overleaf.
This Certificate is valid until 2025-01-28.
Issued at Hamburg on 2020-11-11
for DNV GL SE
DNV GL local station:
Yokohama
Approval Engineer:
Didier Girardin

Digitally Signed By: Mydlak-Röder, Christine
Location: DNV GL Hamburg, Germany
on behalf ofNotified Body
No.: 0098

Gerhard Aulbert
Head of Notified Body

The mark of conformity may only be affixed to the above type approved equipment and a Manufacturer’s Declaration of Conformity issued when
the production-surveillance module (D, E or F) of Annex B of the MED is fully complied with and controlled by a written inspection agreementwith a Notified Body. The product liability rests with the manufacturer or his representative in accordance with Directive 2014/90/EU.
This certificate is valid for equipment, which is conform to the approved type. The manufacturer shall inform DNV GL SE of any changes to theapproved equipment. This certificate remains valid unless suspended, withdrawn, recalled or cancelled.
Should the specified regulations or standards be amended during the validity of this certificate, the product is to be re-approved before being
placed on board a vessel to which the amended regulations or standards apply.
Form code: MED 201.DEU

Revision: 2016-12

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© DNV GL 2014. DNV GL and the Horizon Graphic are trademarks of DNV GL AS.

Job Id:
344.1-008792-3
Certificate No: MEDB00004SX
Revision No:
1

Product description
Portable Multi-Gas Monitor RX-8500/RX-8700 is a gas monitors designed to provide continuous exposure
monitoring of combustible gas, Oxygen, toxic gas such as cabaon monoxide carbon Dioxide andhydrogen sulfied in hazardous environments.The gas sampling is suctioned by build-in micro pump.
Battery LI-ion battery BUL-8000 for power supply.
[RX-8500]
Measuring
principle
Measuring range<Service range>(CH4)
Non-dispersive
infrared type0 - 100.0% LEL/
5 - 100.0 vol%(O2)
Galvanic cell type

Minimum
resolution

0.5% LEL(0 - 100.0% LEL)
0.5 vol%(5.0 - 100.0 vol%)0.1vol%[RX-8700](HC)(O2)

Measuring
principle

Non-dispersive
infrared type

Galvanic cell typeMeasuring range<Service range>

0 - 100.0% LEL/
2 - 100.0 vol%0 - 25.0 vol%<25.1 - 40.0 vol%>Low concentration
0 - 30.0 ppm<30.5 - 100.0 ppm>

Highconcentration
0 - 1000 ppm

Minimumresolution

0.5% LEL(0 - 100.0% LEL)
0.5 vol%(5.0 - 100.0 vol%)0.1vol%0.5ppm1ppm

0 - 25.0 vol%<25.1 - 40.0 vol%>(CO2)
Non-dispersive
infrared type0 - 20.0 vol%0.01 vol%(0 - 2.00 vol%)0.05 vol%(2.00 - 5.00 vol%)0.1 vol%(5.00 - 20.0 vol%)
(H2S)

(CO)
Electrochemicaltype
0 - 1000 ppm

1ppm

Electrochemical type[RX-8500]/ [RX-8700]
Suction flow rate
0.75 L/min or more (Open flow rate)
Power supply
Dedicated lithium ion battery unit [BUL-8000]
Dimensions
Approx. 154 (W) x 81 (H) x 163 (D) mm
WeightAbout 1.2 kg (with BUL-8000)
Operating Temp.
-20 - +50ºC (at a constant condition)
Ingress proof rating
IP65/ IP67

Place of manufacture
RIKEN KEIKI Co., Ltd.
2-3.Minamisakae-cho, Kasukabe
SAITAMA, JAPAN 344-0057

Form code: MED 201.DEU

Revision: 2016-12

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Job Id:
344.1-008792-3
Certificate No: MEDB00004SX
Revision No:
1Application/Limitation•

Thermal shock test and Oil resistance test in accordance with IEC 60945 : 2002 (Ed.4) additonallycarried out (see report No. 19/073E dated 2019.05.28).

•-The equipment is compliant with following DNVGL location Class and application:
EMC-A : All locations except bridge and open deck (IEC 60092-504 (2016) table 1 item 15-20)
Enclosure B: (IP65/IP67) (Location acccording ref. IEC 60529:2001
VIB-A: General applications (ref. IEC 60092-504 (2016) table 1 item 10)
TEMP-C : Location (-25°C to +45°C) (ref. IEC 60092-504 (2016) table 1 item 6-7),
Compliant with IACS UR E10 Rev, 07•

Ex-certification is not covered by this certificate. Application in hazardous area to be approved ineach case according to the Rules and Ex-Certification/Special Condition for Safe Use listed in valid
Excertificate issued by a notified/recognized Certification Body.
The following paragraph provided for information only, is based on information received from themanufacturer, but not verified by DNV GL.
Information on Ex-Certification received from manufacturer – Not verified by DNV GL
Equipment
CertifiedCertificate No.
[RX-8500]
II 1 G Ex ia IIC T4 Ga,
Presafe 15 ATEX 6173X Issue 1[RX-8700]-20ºC ≤ Ta ≤+50ºC•

Each Equipment delivery to be provided with installation and user manual.

Type Examination documentation
HiddenPresafe 15 ATEX 6173X Issue 1 issued by DNV GL Presafe AS. Issuing date 2020.08.26
Report
No.19-275
No.19-276
No. 382-150009-2
No. 400-180164-1
No. 400-180165-1
No.41501319P
No 320-16158 T / 16159T
No. 18-195 (J) & (E) /301186
No. 19/079E
No. 19/076E
No. 190204-2-4
No. 190204-2-5
Operating Manual (PT0E-1361)

Form code: MED 201.DEU

Issuing
date
2019.10.04
2019.10.04
2015.05.22
2019.06.19
2019.06.24
2019.12.06
2016.08.30
2018.08.24
2019.07.11
2019.07.11
2019.03.27
2019.03.27

Revision: 2016-12

Drawings
E3-6991-4894-10-01K
E3-6991-5405-00-01K
E3-6991-5406-70-01K
E3-6991-4867-60-01K
E3-6991-5364-30-01K
E3-6991-5400-30-01K
E3-6991-5469-30-01K
M2-4777-05-01K
M2-4777-06-01K
M3-4775-92-01K
M3-4777-05-03K
M3-4777-06-01K

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Job Id:
344.1-008792-3
Certificate No: MEDB00004SX
Revision No:
1

Tests carried out
IEC 60945:2002 incl. IEC 60945 Corr. 1: 2008,
IEC 60092-504:2016,
IEC 60533:2015,
Category 2: (explosive gas atmospheres):— EN 50104:2010,— EN 60079-29-1:2016,— EN IEC 60079-0:2018,— EN 60079-11:2012

Marking of productFor identification to this type examination certificate the products shall be marked with:- Manufacturer's name or trade mark
- Type designation- Mark of Conformity (see front page)
END OF CERTIFICATEForm code: MED 201.DEU

Revision: 2016-12

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